Thunderbird could be made to crash or run programs as your login if it opened specially crafted mail.
Jesse Ruderman, Igor Bukanov, Olli Pettay, Gary Kwong, Jeff Walden, Henry Sivonen, Martijn Wargers, David Baron and Marcia Knous discovered several memory issues in the browser engine. An attacker could exploit these to crash the browser or possibly run arbitrary code as the user invoking the program. (CVE-2011-0053, CVE-2011-0062)
3 March 2011
A security issue affects these releases of Ubuntu and its derivatives:
Thunderbird could be made to crash or run programs as your login if it opened specially crafted mail.
Jesse Ruderman, Igor Bukanov, Olli Pettay, Gary Kwong, Jeff Walden, Henry Sivonen, Martijn Wargers, David Baron and Marcia Knous discovered several memory issues in the browser engine. An attacker could exploit these to crash the browser or possibly run arbitrary code as the user invoking the program. (CVE-2011-0053, CVE-2011-0062)
Roberto Suggi Liverani discovered a possible issue with unsafe JavaScript execution in chrome documents. A malicious extension could exploit this to execute arbitrary code with chrome privlieges. (CVE-2010-1585)
Jordi Chancel discovered a buffer overlow in the JPEG decoding engine. An attacker could exploit this to crash the browser or possibly run arbitrary code as the user invoking the program. (CVE-2011-0061)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart Thunderbird to make all the necessary changes.
Vulmon